RECOMBINATION
UNITEDSTATES
CORONAVIRUS
CHLOROQUINE
POLYMERASE
CYTOKINES
CELLULOSE
MUTATION
PROTEASE
VIRUS
CHINA
SARS
ADN
ARN
BAT
O
A
O
Q
O
M
Z
I
W
F
O
A
R
N
U
D
G
A
C
C
U
V
I
O
Q
T
R
D
U
C
N
P
S
F
I
I
R
H
B
X
A
U
X
B
F
F
I
X
A
O
O
Q
A
X
B
E
L
E
T
D
G
Q
U
O
K
S
M
X
I
E
Q
Z
E
G
E
O
S
A
K
X
U
N
I
T
E
D
S
T
A
T
E
S
D
U
R
A
T
F
E
A
L
I
X
A
O
U
A
B
F
D
E
N
E
O
R
F
H
R
G
X
T
O
K
A
P
N
A
J
W
U
K
E
Q
E
F
S
A
T
A
B
D
I
J
Q
I
S
R
M
K
N
S
U
M
W
A
E
O
A
E
K
O
W
I
B
I
V
U
L
G
A
I
Y
A
U
B
Z
Z
G
W
U
S
E
M
I
E
T
M
Q
E
N
L
D
L
A
M
Y
O
T
R
A
E
O
U
Y
A
O
D
T
E
O
S
U
R
I
V
A
N
O
R
O
C
E
O
T
I
D
O
E
P
Q
O
X
A
C
Q
Z
T
S
E
E
U
I
I
I
Y
R
A
B
Z
A
U
I
O
A
E
E
V
I
R
U
S
O
Y
O
P
M
A
Q
S
N
B
N
W
O
P
I
N
E
J
U
N
X
X
O
E
N
U
H
Y
R
K
M
I
W
A
N
I
H
C
A
A
A
E
L
D
F
Z
A
M
Q
C
H
L
P
H
M
J
H
U
I
T
A
R
A
P
L
E
S
O
L
U
L
L
E
C
F
R
R
H
S
V
M
A
I
O
A
L
U
X
A
W
G
C
Y
T
O
K
I
N
E
S
